DependencyObject.GetValue(DependencyProperty) 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
提供存取所指定 DependencyProperty 的值。
public:
System::Object ^ GetValue(System::Workflow::ComponentModel::DependencyProperty ^ dependencyProperty);
public object GetValue (System.Workflow.ComponentModel.DependencyProperty dependencyProperty);
member this.GetValue : System.Workflow.ComponentModel.DependencyProperty -> obj
Public Function GetValue (dependencyProperty As DependencyProperty) As Object
參數
- dependencyProperty
- DependencyProperty
傳回
代表指定 DependencyProperty 值的物件。
範例
下列程式碼範例示範如何使用 GetValue 傳回在取得與設定的內容中,具名相依性屬性所代表的值。 此程式碼範例是傳送電子郵件 SDK 範例的一部分,來自 SendMailActivity.cs 檔案。 如需詳細資訊,請參閱 傳送電子郵件活動範例。
public string To
{
get
{
return ((string)(base.GetValue(SendEmailActivity.ToProperty)));
}
set
{
base.SetValue(SendEmailActivity.ToProperty, value);
}
}
[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)]
[BrowsableAttribute(true)]
[DescriptionAttribute("The Subject property is used to specify the subject of the Email message.")]
[CategoryAttribute(MessagePropertiesCategory)]
public string Subject
{
get
{
return ((string)(base.GetValue(SendEmailActivity.SubjectProperty)));
}
set
{
base.SetValue(SendEmailActivity.SubjectProperty, value);
}
}
[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)]
[BrowsableAttribute(true)]
[DescriptionAttribute("The From property is used to specify the From (Sender's) address for the email mesage.")]
[CategoryAttribute(MessagePropertiesCategory)]
public string From
{
get
{
return ((string)(base.GetValue(SendEmailActivity.FromProperty)));
}
set
{
base.SetValue(SendEmailActivity.FromProperty, value);
}
}
<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)> _
<BrowsableAttribute(True)> _
<DescriptionAttribute("The To property is used to specify the receipient's email address.")> _
<CategoryAttribute(MessagePropertiesCategory)> _
Public Property EmailTo() As String
Get
Return CType(MyBase.GetValue(SendEmailActivity.ToProperty), String)
End Get
Set(ByVal value As String)
MyBase.SetValue(SendEmailActivity.ToProperty, value)
End Set
End Property
<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)> _
<BrowsableAttribute(True)> _
<DescriptionAttribute("The Subject property is used to specify the subject of the Email message.")> _
<CategoryAttribute(MessagePropertiesCategory)> _
Public Property Subject() As String
Get
Return CType(MyBase.GetValue(SendEmailActivity.SubjectProperty), String)
End Get
Set(ByVal value As String)
MyBase.SetValue(SendEmailActivity.SubjectProperty, value)
End Set
End Property
<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)> _
<BrowsableAttribute(True)> _
<DescriptionAttribute("The From property is used to specify the From (Sender's) address for the email mesage.")> _
<CategoryAttribute(MessagePropertiesCategory)> _
Public Property FromEmail() As String
Get
Return CType(MyBase.GetValue(SendEmailActivity.FromEmailProperty), String)
End Get
Set(ByVal value As String)
MyBase.SetValue(SendEmailActivity.FromEmailProperty, value)
End Set
End Property
備註
這個成員通常用於取得屬性,以提供具名相依性值的值。